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authorUlrich Drepper <drepper@redhat.com>2000-11-16 02:17:26 +0000
committerUlrich Drepper <drepper@redhat.com>2000-11-16 02:17:26 +0000
commit85857f932b10330e5c96bedf15e81bcfc0207737 (patch)
tree24cb6d5dd63007daf1fd3d87171dc1c3ec838b8f /sysdeps/sparc
parent821dcbccd172d8f35644cd6da81337cc739dde94 (diff)
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Update.
2000-11-15 Jakub Jelinek <jakub@redhat.com> * dlfcn/default.c (main): Add test for dladdr of main returning argv[0] in dli_fname field. 2000-11-15 Jakub Jelinek <jakub@redhat.com> * Makeconfig (run-program-prefix): Move test-static test into the variable. * sysdeps/alpha/dl-machine.h (RTLD_START): Update _dl_argv. * sysdeps/sparc/sparc32/dl-machine.h (RTLD_START): Likewise, schedule instructions. * sysdeps/sparc/sparc64/dl-machine.h (RTLD_START): Likewise, schedule instructions, fix a bug in copying auxiliary data. * manual/startup.texi (Program Arguments): Fix type of main's envp parameter. Reported by Raúl Núñez de Arenas Coronado <dervishd@linuxfreak.com>.
Diffstat (limited to 'sysdeps/sparc')
-rw-r--r--sysdeps/sparc/sparc32/dl-machine.h10
-rw-r--r--sysdeps/sparc/sparc64/dl-machine.h44
2 files changed, 33 insertions, 21 deletions
diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h
index c1d423aa36..84d25cd10a 100644
--- a/sysdeps/sparc/sparc32/dl-machine.h
+++ b/sysdeps/sparc/sparc32/dl-machine.h
@@ -224,23 +224,29 @@ _dl_start_user:
sethi %hi(__libc_stack_end), %g2
or %g2, %lo(__libc_stack_end), %g2
ld [%l7 + %g2], %l1
+ sethi %hi(_dl_skip_args), %g2
add %sp, 6*4, %l2
+ or %g2, %lo(_dl_skip_args), %g2
st %l2, [%l1]
/* See if we were run as a command with the executable file name as an
extra leading argument. If so, adjust the contents of the stack. */
- sethi %hi(_dl_skip_args), %g2
- or %g2, %lo(_dl_skip_args), %g2
ld [%l7+%g2], %i0
ld [%i0], %i0
tst %i0
beq 3f
ld [%sp+22*4], %i5 /* load argc */
/* Find out how far to shift. */
+ sethi %hi(_dl_argv), %l3
+ or %l3, %lo(_dl_argv), %l3
+ ld [%l7+%l3], %l3
sub %i5, %i0, %i5
+ ld [%l3], %l4
sll %i0, 2, %i2
st %i5, [%sp+22*4]
+ sub %l4, %i2, %l4
add %sp, 23*4, %i1
add %i1, %i2, %i2
+ st %l4, [%l3]
/* Copy down argv */
21: ld [%i2], %i3
add %i2, 4, %i2
diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h
index 079e1d7530..b2a0e7a0e9 100644
--- a/sysdeps/sparc/sparc64/dl-machine.h
+++ b/sysdeps/sparc/sparc64/dl-machine.h
@@ -544,38 +544,43 @@ _start:
_dl_start_user:
/* Load the GOT register. */
1: call 11f
- sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)),%l7
-11: or %l7,%lo(_GLOBAL_OFFSET_TABLE_-(1b-.)),%l7
- add %l7,%o7,%l7
- /* Save the user entry point address in %l0. */
- mov %o0,%l0
+ sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7
+11: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7
/* Store the highest stack address. */
sethi %hi(__libc_stack_end), %g5
+ add %l7, %o7, %l7
or %g5, %lo(__libc_stack_end), %g5
+ /* Save the user entry point address in %l0. */
+ mov %o0, %l0
ldx [%l7 + %g5], %l1
+ sethi %hi(_dl_skip_args), %g5
add %sp, 6*8, %l2
- stx %l2, [%l1]
/* See if we were run as a command with the executable file name as an
extra leading argument. If so, we must shift things around since we
must keep the stack doubleword aligned. */
- sethi %hi(_dl_skip_args), %g5
or %g5, %lo(_dl_skip_args), %g5
- ldx [%l7+%g5], %i0
+ stx %l2, [%l1]
+ ldx [%l7 + %g5], %i0
ld [%i0], %i0
brz,pt %i0, 2f
- ldx [%sp+" __S(STACK_BIAS) "+22*8], %i5
+ ldx [%sp + " __S(STACK_BIAS) " + 22*8], %i5
/* Find out how far to shift. */
+ sethi %hi(_dl_argv), %l4
sub %i5, %i0, %i5
- sllx %i0, 3, %i2
- stx %i5, [%sp+" __S(STACK_BIAS) "+22*8]
- add %sp, " __S(STACK_BIAS) "+23*8, %i1
- add %i1, %i2, %i2
+ or %l4, %lo(_dl_argv), %l4
+ sllx %i0, 3, %l6
+ ldx [%l7 + %l4], %l4
+ stx %i5, [%sp + " __S(STACK_BIAS) " + 22*8]
+ add %sp, " __S(STACK_BIAS) " + 23*8, %i1
+ add %i1, %l6, %i2
+ ldx [%l4], %l5
/* Copy down argv. */
12: ldx [%i2], %i3
add %i2, 8, %i2
stx %i3, [%i1]
brnz,pt %i3, 12b
add %i1, 8, %i1
+ sub %l5, %l6, %l5
/* Copy down envp. */
13: ldx [%i2], %i3
add %i2, 8, %i2
@@ -584,18 +589,19 @@ _dl_start_user:
add %i1, 8, %i1
/* Copy down auxiliary table. */
14: ldx [%i2], %i3
- ldx [%i2+8], %i4
+ ldx [%i2 + 8], %i4
add %i2, 16, %i2
stx %i3, [%i1]
- stx %i4, [%i1+8]
- brnz,pt %i3, 13b
+ stx %i4, [%i1 + 8]
+ brnz,pt %i3, 14b
add %i1, 16, %i1
+ stx %l5, [%l4]
/* %o0 = _dl_loaded, %o1 = argc, %o2 = argv, %o3 = envp. */
2: sethi %hi(_dl_loaded), %o0
- add %sp, " __S(STACK_BIAS) "+23*8, %o2
+ add %sp, " __S(STACK_BIAS) " + 23*8, %o2
orcc %o0, %lo(_dl_loaded), %o0
sllx %i5, 3, %o3
- ldx [%l7+%o0], %o0
+ ldx [%l7 + %o0], %o0
add %o3, 8, %o3
mov %i5, %o1
add %o2, %o3, %o3
@@ -604,7 +610,7 @@ _dl_start_user:
/* Pass our finalizer function to the user in %g1. */
sethi %hi(_dl_fini), %g1
or %g1, %lo(_dl_fini), %g1
- ldx [%l7+%g1], %g1
+ ldx [%l7 + %g1], %g1
/* Jump to the user's entry point and deallocate the extra stack we got. */
jmp %l0
add %sp, 6*8, %sp